在工程实施期间，承包商应使现场避免出现一切不必要的障碍物，存放并妥善处置承包商的任何设备或剩余材料。
During the execution of the Works, the Contractor shall keep the Site free from all unnecessary obstruction, and shall store or dispose of any Contractor's Equipment or surplus materials.
某地下车站工程施工时，遇到原有建筑的桩基础需拔除，采用全回转设备清除地下障碍物具有对地下原状土破坏小、基本不扰动地下土体的优点。
It is of some advantages to use full-rotating equipment to clear underground obstacles such as little destructive effect for undisturbed soil and no disturbing the underground soil body.
磁梯度探测方法可以高效、高精度探测具有铁磁性的地下障碍物深度，因此在工程基桩长度测试中有良好的效果。
The magnetism gradient test is a highly effective and high accuracy method which used to detect the depth of ferromagnetic obstacle under ground, and it is very suitable to detect the length of pile.
磁梯度探测方法可以高效、高精度探测具有铁磁性的地下障碍物深度，因此在工程基桩长度测试中有良好的效果。
The magnetism gradient test is a highly effective and high accuracy method which used to detect the depth of ferromagnetic obstacle under ground, and it is very suitable to detect the length of pile.
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